Dell PowerVault NX3100 - Manual (Page 5)

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Installation Issues
The following section discusses various installation issues.
RAID 5 Configuration Defaults To RAID 1 After A Hard Drive
Replacement
Description After replacing the hard drives, the system's RAID 5 configuration defaults to the RAID 1. This issue
occurs because the operating system reinstallation media cannot find an operating system partition
of 120 GB or larger on Virtual Disk 0.
Workaround/
Solution To workaround this issue, perform the following steps:
NOTE: The operating system can only be installed on LUN 0 of the internal controller. To configure
a RAID configuration other than RAID 1, create a virtual disk with LUN ID 0 before reinstalling the
operating system.
1. If applicable, backup data on all virtual disks.
2. Reboot your system and enter the Dell PowerEdge RAID controller (PERC) BIOS.
For more information, see the PERC documentation at support.dell.com/manuals.
3. Create a virtual disk with the desired RAID configuration, LUN ID 0, and a capacity of 120 GB or
more.
4. Reboot the Dell PowerVault Network Attached Storage (NAS) using the operating system
reinstallation media.
RAID Configuration Does Not Match Factory Configuration After
Reinstalling The Operating System
Description After reinstalling the operating system, the RAID configuration on the system does not match the
factory configuration and defaults to RAID 1. This issue occurs because the operating system
reinstallation media cannot find an operating system partition of 120 GB or larger on Virtual Disk 0.
Workaround/
Solution To workaround this issue, perform the following steps:
NOTE: The operating system can only be installed on LUN 0 of the internal controller. To configure
a RAID configuration other than RAID 1, create a virtual disk with LUN ID 0 before reinstalling the
operating system.
1. If applicable, backup data on all virtual disks.
2. Reboot your system and enter the Dell PowerEdge RAID controller (PERC) BIOS.
For more information, see the PERC documentation at support.dell.com/manuals.
3. Create a virtual disk with the desired RAID configuration, LUN ID 0, and a capacity of 120 GB or
more.
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